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Solved: For each set of molecular models, write a relationship between moles of hydrogen
Chapter 6, Problem 65P(choose chapter or problem)
For each set of molecular models, write a relationship between moles of hydrogen and moles of molecules. Then determine the total number of hydrogen atoms present. (H—white; O—red; C—black; N—blue)
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QUESTION:
For each set of molecular models, write a relationship between moles of hydrogen and moles of molecules. Then determine the total number of hydrogen atoms present. (H—white; O—red; C—black; N—blue)
ANSWER:
Step 1 of 3
a)
In the given image the compound is - \(\mathrm{H}_{2} \mathrm{O}\)
One mole of \(\mathrm{H}_{2} \mathrm{O}\) contains two moles of “H” atoms.
Let’s calculate the number of moles of hydrogen present in the four moles of \(\mathrm{H}_{2} \mathrm{O}\)
\(=4 \mathrm{~mol} \mathrm{H}_{2} \mathrm{O} \times \frac{2 \mathrm{Hatoms}}{1.0 \mathrm{~mol} \mathrm{H}_{2} \mathrm{O}}=8 \mathrm{Hatoms}\)
Therefore, 8 H atoms present in the given sample.
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